Reader's Digest World, ABC/Kane Productions co-produced with BBC in association with Trebitsch Produktion International and PBS ; produced by Bruce Reitherman ; written by Bruce Reitherman, Alex Gregory
PBS Home Video ; produced by Maya Vision for BBC and Maryland Public Television ; producer, Rebecca Dobbs ; writer, Michael Wood ; director, David Wallace
Genius Entertainment ; produced by Marco Polo Film AG ; co-producers, NDR Naturfilm and NHK ; in association with BBC ; a film by Werner Herzog ; written and directed by Werner Herzog